<template>
  <div>
    <!-- 1-面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 2-卡片试图 -->
    <el-card>
      <!-- 输入框+ 添加按钮 -->
      <el-row :gutter="20">
        <!-- 输入框 -->
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <!-- 添加按钮 -->
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格 -->
      <el-row>
        <el-table :data="goodslist" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name">
          </el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="90px">
          </el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px">
          </el-table-column>
          <el-table-column label="创建时间" width="140px">
            <template slot-scope="scope">
              {{ scope.row.add_time | dataFormat }}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <!-- 设置按钮 -->
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="editById(scope.row.goods_id)"
              >
              </el-button>
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeById(scope.row.goods_id)"
              >
              </el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-row>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="10"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>

    <!-- 3-修改对话框 -->
    <el-dialog title="商品修改" :visible.sync="editDialogVisible" width="50%">
      <el-form
        :model="editForm"
        :rules="editCatFormRules"
        ref="editFormRef"
        label-width="100px"
      >
        <el-form-item label="商品名称：" prop="goods_name">
          <el-input v-model="editForm.goods_name"></el-input>
        </el-form-item>
        <el-form-item label="商品价格：" prop="goods_price">
          <el-input v-model="editForm.goods_price" type="number"></el-input>
        </el-form-item>
        <el-form-item label="商品重量：" prop="goods_weight">
          <el-input v-model="editForm.goods_weight" type="number"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false"> 取 消 </el-button>
        <el-button type="primary" @click="editdialogSure"> 确 定 </el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询的参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      //   商品列表
      goodslist: [],
      //   总数据条数
      total: 0,
      // 修改的数据
      editForm: {},
      // 修改对话框显示和隐藏
      editDialogVisible: false,
      // 修改对话框的校验规则
      editCatFormRules: {
        goods_name: [
          { required: true, message: '请输入商品名称', trigger: 'blur' },
        ],
        goods_price: [
          { required: true, message: '请输入商品价格', trigger: 'blur' },
        ],
        goods_weight: [
          { required: true, message: '请输入商品重量', trigger: 'blur' },
        ],
      },
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //   根据分页获取商品列表
    async getGoodsList() {
      const { data: result } = await this.$http.get('goods', {
        params: this.queryInfo,
      })
      if (result.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.goodslist = result.data.goods
      this.total = result.data.total
      // console.log(this.goodslist)
    },
    // 分页页码大小变化触发
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 分页页码发生变化
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    // 点击添加按钮
    goAddpage() {
      this.$router.push('/goods/add')
    },
    // 点击删除按钮
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => {
        return err
      })
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除操作')
      }
      const { data: result } = await this.$http.delete(`goods/${id}`)
      if (result.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 点击修改按钮
    async editById(id) {
      //
      console.log('没做好')
    },
    // 点击修改对话框确认按钮
    editdialogSure() {
      //   this.$refs.editFormRef.validate(async (valid) => {
      //     if (!valid) return
      //     const { data: result } = await this.$http.put(
      //       `goods/${this.editForm.goods_id}`,
      //       {
      //         goods_name: this.editForm.goods_name,
      //         goods_price: this.editForm.goods_price,
      //         goods_number: this.editForm.goods_number,
      //         goods_weight: this.editForm.goods_weight,
      //       }
      //     )
      //     console.log(result)
      //     if (result.meta.status !== 201) {
      //       console.log(111)
      //       return this.$message.error('更改商品信息失败')
      //     }
      //     this.$message.succes('更改商品信息成功')
      //   })
    },
  },
}
</script>

<style lang="less" scoped>
</style>